CHIANTI

An Atomic Database for Spectroscopic Diagnostics of Astrophysical Plasmas.


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George Mason University (USA) - University of Michigan (USA) - University of Cambridge (UK) - NASA Goddard Space Flight Center (USA)


CHIANTI consists of a critically evaluated set of up-to-date atomic data, together with user-friendly programs written in Interactive Data Language (IDL) and Python to calculate the spectra from astrophysical plasmas.

The CHIANTI package is freely available.
If you use the package, we only ask you to appropriately acknowledge CHIANTI .




- The Chianti wine-producing area of Tuscany, Italy -

CHIANTI Database Version 10.0.2 released, June 2022

This is a minor release, with a new directory 'em' added containing some emission measure distributions. There were no changes to the atomic data.

See the Download page for how to access the new version.

We are grateful to individual scientists and funding agencies for their support.